Worcester 30i System Compact Manuel d'utilisateur télécharger pdf (Page 19)

WORCESTER BOSCH GREENSTAR 30/40CDi Conventional

6 720 612 033a (03/05)

FAULT FINDING

This table gives information on basic

operating system problems.

In the unlikely event of a boiler fault

please read the following page tho-

roughly before contacting Worcester

Bosch.

Problem Cause Remedy

Desired room temperature

is not reached

Thermostatic radiator

valve(s) set too low

Increase thermostatic

radiator valve setting(s)

Temperature control on boi-

ler set too low

Increase temperature con-

trol setting

Air trapped in heating

system

Bleed radiators and rechar-

ge heating system

Desired room temperature

exceeded by large amount

Radiators are too hot Turn down thermostatic

radiator valves / room ther-

mostat

Reduce temperature on

boiler

Heating stays on for too

long

Clock is incorrectly set Check setting

No on/off indicator Momentary power failure Switch off appliance at

master switch, wait a few

seconds then switch on

again

Hot water Temperature too

low

Tank thermostat

temperature set too low

Programmer setting

Diverter valve

Check setting

MAINTENANCE

1 2 ... 14 15 16 17 18 19 20 21 22 23 24

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Worcester 30i System Compact Manuel d'utilisateur Page 19

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